diff --git a/sample-operators/metrics-processing/pom.xml b/sample-operators/metrics-processing/pom.xml
index cdfe68e18d..33d18acbeb 100644
--- a/sample-operators/metrics-processing/pom.xml
+++ b/sample-operators/metrics-processing/pom.xml
@@ -66,7 +66,7 @@
     <dependency>
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
-      <version>2.3</version>
+      <version>2.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>